package org.example.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
import java.util.Scanner;

public class HomeWork02 {
    public static void main(String[] args) throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        Statement statement = connection.createStatement();
        Scanner sc= new Scanner(System.in);
        System.out.println("请输入用户名：");
        String username = sc.nextLine();
        System.out.println("请输入新密码：");
        String password = sc.nextLine();
        int i = statement.executeUpdate("UPDATE user SET password='" + password + "' WHERE username='" + username + "'");
        if (i > 0) {
            System.out.println("修改成功");
        }else{
            System.out.println("无此用户");
        }
        connection.close();

    }
}
